Jülich, 7 May 2012. How can computer data be reliably stored and read out in future when computers are getting smaller and smaller? Scientists from Jülich, Hamburg and Kiel propose to make use of magnetic moments in chains of iron atoms. This would allow information to be transported on the nanoscale in a fast and energy-efficient manner over a wide temperature range, while remaining largely unaffected by external magnetic fields. The researchers have demonstrated this in both theory and experiment.